2281632 has 24 divisors (see below), whose sum is σ = 5989536. Its totient is φ = 760512.

The previous prime is 2281619. The next prime is 2281651. The reversal of 2281632 is 2361822.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11788 + ... + 11979.

It is an arithmetic number, because the mean of its divisors is an integer number (249564).

2^2281632 is an apocalyptic number.

It is an amenable number.

2281632 is an abundant number, since it is smaller than the sum of its proper divisors (3707904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2281632 is a wasteful number, since it uses less digits than its factorization.

2281632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23780 (or 23772 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 2281632 is about 1510.5071995856. The cubic root of 2281632 is about 131.6482831426.

The spelling of 2281632 in words is "two million, two hundred eighty-one thousand, six hundred thirty-two".